Angular dependent muon-spin rotation and torque magnetometry on the mixed state of the high-temperature superconductor YBa2Cu3O7-delta

C Ager, FY Ogrin, Stephen Leslie Lee, CM Aegerter, S Romer, H Keller, IM Savi'c, SH Lloyd, SJ Johnson, EM Forgan, T Riseman, PG Kealey, S Tajima, A Rykov

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13 Citations (Scopus)

Abstract

Muon-spin rotation (mu SR) and torque magnetometry have been used to probe the anisotropy of an untwinned single crystal of YBa2Cu3O7-delta. The absence of twin planes allows the ratios of all three principal components of the superconducting effective mass tensor to be determined. The values for the in-plane anisotropy are in good agreement with values obtained by other techniques. The out-of-plane anisotropies as measured by mu SR are also found to be in good agreement with other microscopic measurements, but somewhat lower than those resulting from torque measurements on this and other crystals.

Original languageEnglish
Pages (from-to)3528-3533
JournalPhysical Review. B, Condensed matter and materials physics
Volume62
Issue number5
DOIs
Publication statusPublished - 1 Aug 2000

Keywords

  • MAGNETIC PENETRATION DEPTH
  • HIGH-TC SUPERCONDUCTORS
  • VORTEX LATTICE
  • SINGLE-CRYSTAL
  • INPLANE ANISOTROPY
  • UNIAXIAL SUPERCONDUCTORS
  • DIMENSIONAL CROSSOVER
  • THERMAL FLUCTUATIONS
  • II SUPERCONDUCTORS
  • PHASE-DIAGRAM

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